| 摘要 |
The station has a pump unit (5) and a level detector mounted in a tank. A stud (7) is arranged on an upper face of a bottom part (1) of the tank. A vertical tube (8) is placed on or in the stud and extended upwardly up to a level higher than a maximum filling level of the tank. The detector is suspended at the tube. A guiding cable (15) is fixed to the bottom part of the tank. The detector is constituted of an alert level detector (9), a running level detector (12) and a stopping level detector (13). |
